PowerPro Super 8 Slick Smooth as Sil - 8 yarn Spectra fiber construction braided under high tension to create a live surface that feels smooth as silk. Cast like a Bullet - Reduced line friction on the spool and through the rod guides allows Super-Slick to cast like a bullet. Silent as Assassin - Smooth surface design reduces friction and line noise, allowing you to fish with stealth and silence.